Can come one help me pl

This is fractions casey shared a pizza with some friends. they each ate 1 third of the pizza. how many people shared the pizza

Josh has a rewards card for a movie theater he receives 15 points for becoming a rewards card holder he earns 3.5 points for each visit to the movie theater he needs at least 55 points to earn a free movie ticket which inequality can josh use to determine x, the minimum number of visits he needs to earn his first free movie ticket.

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers